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MCAT-Hormones
MCAT-hormones
| Question | Answer |
|---|---|
| FSH Follicle-Stimulating. Source? | Anterior Pituitary |
| LH- Luteinizing. Source? | Anterior Pituitary |
| TSH Thyroid Stimulating. Source? | Anterior Pituitary |
| Prolactin. Source? | Anterior Pituitary |
| Growth Hormone. Source? | Anterior Pituitary |
| Endorphins. Source? | Anterior Pituitary |
| FLAT PEG? Source? | Fsh, Lh, Acth, Tsh, Pro, End, Gh. Anterior Pituitary |
| FSH. Action? | Stimulates follicle maturation; spermatogenesis. |
| LH. Action? | Stimulates ovulation; testosterone synthesis. |
| Adrenocorticotric (ACTH). Source? | Anterior Pituitary |
| (ACTH). Action? | Stimulates adrenal cortx to make and secrete glucocorticoids |
| TSH Action? | Stimulates the thyroid to produce thyroid hormones. |
| Prolactin. Action? | Stimulates milk production and secretion |
| Endorphins. Action? | Inhibit the perception of pain in the brain |
| Growth Hormone. Action? | Stimulates bone and muscle growth/lipolysis |
| Oxytocin. Source? Stored? | Hypothalamus; stored in Posterior Pituitary |
| Vasopressin (ADH). Source? Stored? | Hypothalamus; stored in Posterior Pituitary |
| Oxytocin. Action? | Stimulates uterine contractions during labor, milk secretion during lactation. |
| ADH. Action? | Stimulates water absorption in kidneys. |
| Thyroid Hormones (T4, T3). Source? | Thyroid |
| Thyroid Hormones (T4, T3). Action? | Stimulates metabolic activity. |
| Calcitonin. Source? | Thyroid |
| Calcitonin. Action? | Decreases (tones down) blood calcium level. |
| Parathyroid hormone. Source? | Parathyroid. |
| Parathyroid hormone. Action? | Increases the blood calcium level. |
| Glucocorticoids. Source? | Adrenal Cortex. |
| Mineralocorticoids. Source? | Adrenal Cortex. |
| Glucocorticoids. Action? | Increases blood glucose level and decreases protein synthesis. |
| Mineralocorticoids. Action? | Increases water absorption in kidneys |
| Epinepherine, Norepinepherine. Source? | Adrenal Medulla. |
| Epinepherine, Norepinepherine. Action? | Increases blood glucose level and heart rate. |
| Glucagon. Source? | Pancreas. |
| Glucagon. Action? | Stimulates conversion of glycogen to glucose in the liver, increases blood glucose. |
| Insulin. Source? | Pancreas. |
| Insulin. Action? | Lowers blood glucose, increases glycogen stores. |
| Somatostatin. Action? | Suppresses secretion of glucagon and insulin. |
| Testosterone. Source? | Testes. |
| Testosterone. Action? | Maintains male secondary sexual characteristics. |
| Estrogen. Source? | Ovary/ Placenta |
| Progesterone. Source? | Ovary/ Placenta. |
| Melatonin. Source? | Pineal |
| Atrial Natriuretic Peptide. Source? | Heart |
| Thymosin. Source? | Thymus |
| Estrogen. Action? | Maintains female secondary characteristics |
| Progesterone. Action? | Promotes growth/maintenance of endometrium. Released by corpus luteum. stimulates the uterus to prepare for pregnancy. |
| Melatonin. Action? | Unclear in humans... thought to have possible roles in circadian rhythms, as antioxidant, in immune system. |
| Atrial Natiuretic peptide. Action? | Involved in osmoregulation and vasodialation. |
| Vasodialation | dialation of blood vessels, which decreases bp |
| Thymosin. Action? | Stimulates T lymphocyte development. |
| How do peptide hormones act? | via secondary messengers. |
| How do steroid hormones act? | via a hormone/receptor binding to DNA. |
| How do amino acid hormones act? | via secondary messengers OR via a hormone/receptor binding to DNA. |
| Somatostatin. Action? | Supresses secretion of glucagon and insulin. |
Created by:
ak3dave888
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